CN113072036B - 超疏水碳纳米管薄膜的制备方法 - Google Patents

超疏水碳纳米管薄膜的制备方法 Download PDF

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CN113072036B
CN113072036B CN202110251039.0A CN202110251039A CN113072036B CN 113072036 B CN113072036 B CN 113072036B CN 202110251039 A CN202110251039 A CN 202110251039A CN 113072036 B CN113072036 B CN 113072036B
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弓晓晶
许敬
郭国标
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Jiangsu Jiangnan Elenyl Graphene Technology Co ltd
Changzhou University
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Abstract

本发明涉及超疏水领域，尤其是超疏水碳纳米管薄膜的制备方法。该方法的步骤包括：（a）采用喷枪喷涂法在聚苯乙烯基板上沉积一层碳纳米管薄膜；（b）用去离子水清洗基材，并用辊子辊压碳纳米管薄膜表面；（c）将沉积碳纳米管薄膜的聚苯乙烯基板放入对流烤箱中加热，诱导基材的双轴收缩和起皱；（d）在收缩的碳纳米管薄膜上旋涂一层聚四氟乙烯薄膜，再放入丙酮浴和甲苯浴中去除聚苯乙烯基材。本发明能够实现大面积超疏水碳纳米管薄膜表面的制备，这些褶皱结构不仅稳定存在，具有导电性，能够应用在低粘抗冰的电磁屏蔽材料中。通过易收缩的基材加热收缩得到一种稳定的褶皱结构，利用这种微结构实现超疏水性；制备工艺简单，成本低，周期短。

Description

超疏水碳纳米管薄膜的制备方法
技术领域
本发明涉及超疏水领域，尤其是超疏水碳纳米管薄膜的制备方法。
背景技术
水性膜和涂层， 并且更具体地讲， 超疏水性膜和涂层在最近几年中由于多个吸引人的品质而获得了相当多的关注。 高度疏水性表面已经在自然界中被认识， 可能最普遍地是在荷叶以及蝉翼上。 由于具有疏水性质， 荷叶能够通过在小水滴滚落其表面时洗掉粉尘粒子和碎屑而进行自清洁。 这种自动清洁的能力是多个现代应用中所希望的。 但是现有的超疏水膜的制备方式成本较高。
发明内容
为了克服现有的制备方式成本高的不足，本发明提供了超疏水碳纳米管薄膜的制备方法。
本发明解决其技术问题所采用的技术方案是：一种超疏水碳纳米管薄膜的制备方法，该方法的步骤为：
（a）采用喷枪喷涂法在聚苯乙烯基板上沉积一层碳纳米管薄膜；
（b）用去离子水清洗基材，并用辊子辊压碳纳米管薄膜表面；
（c）将沉积碳纳米管薄膜的聚苯乙烯基板放入对流烤箱中加热，诱导基材的双轴收缩和起皱；
（d）在收缩的碳纳米管薄膜上旋涂一层聚四氟乙烯薄膜，再放入丙酮浴和甲苯浴中去除聚苯乙烯基材；
（e）在转移后的碳纳米管薄膜表面蒸镀一层氟硅烷，得到超疏水薄膜。
根据本发明的另一个实施例，进一步包括步骤（c）中，所述加热温度为150摄氏度，加热时间为20秒。
根据本发明的另一个实施例，进一步包括步骤（d）中，所述丙酮浴的温度为75摄氏度，放入丙酮浴的时间为30分钟。
根据本发明的另一个实施例，进一步包括步骤（d）中，所述甲苯浴的温度为65摄氏度，放入甲苯浴的时间为10分钟。
本发明的有益效果是，本发明能够实现大面积超疏水碳纳米管薄膜表面的制备，这些褶皱结构不仅稳定存在，而且具有导电性，能够应用在低粘抗冰的电磁屏蔽材料中。通过易收缩的基材加热收缩得到一种稳定的褶皱结构，利用这种微结构实现超疏水性；制备工艺简单，成本低，周期短。
具体实施方式
一种超疏水碳纳米管薄膜的制备方法，其特征是，该方法的步骤为：
（a）采用喷枪喷涂法在聚苯乙烯基板上沉积一层碳纳米管薄膜；
（b）用去离子水清洗基材，并用辊子辊压碳纳米管薄膜表面；
（c）将沉积碳纳米管薄膜的聚苯乙烯基板放入对流烤箱中加热，加热温度为150摄氏度，加热时间为20秒，诱导基材的双轴收缩和起皱；
（d）在收缩的碳纳米管薄膜上旋涂一层聚四氟乙烯薄膜，再放入温度为75摄氏度的丙酮浴30分钟，放入温度为65摄氏度的甲苯浴中10分钟，去除聚苯乙烯基材；
（e）在转移后的碳纳米管薄膜表面蒸镀一层氟硅烷，得到超疏水薄膜。
本发明能够实现大面积超疏水碳纳米管薄膜表面的制备，这些褶皱结构不仅稳定存在，而且具有导电性，能够应用在低粘抗冰的电磁屏蔽材料中。通过易收缩的基材加热收缩得到一种稳定的褶皱结构，利用这种微结构实现超疏水性；制备工艺简单，成本低，周期短。

Claims (4)

1.一种超疏水碳纳米管薄膜的制备方法，其特征是，该方法的步骤为：
（a）采用喷枪喷涂法在聚苯乙烯基板上沉积一层碳纳米管薄膜；
（b）用去离子水清洗基材，并用辊子辊压碳纳米管薄膜表面；
（c）将沉积碳纳米管薄膜的聚苯乙烯基板放入对流烤箱中加热，诱导基材的双轴收缩和起皱；
（d）在收缩的碳纳米管薄膜上旋涂一层聚四氟乙烯薄膜，再放入丙酮浴和甲苯浴中去除聚苯乙烯基材；
（e）在转移后的碳纳米管薄膜表面蒸镀一层氟硅烷，得到超疏水薄膜。
2.根据权利要求1所述的超疏水碳纳米管薄膜的制备方法，其特征是，步骤（c）中，所述加热温度为150摄氏度，加热时间为20秒。
3.根据权利要求1所述的超疏水碳纳米管薄膜的制备方法，其特征是，步骤（d）中，所述丙酮浴的温度为75摄氏度，放入丙酮浴的时间为30分钟。
4.根据权利要求1所述的超疏水碳纳米管薄膜的制备方法，其特征是，步骤（d）中，所述甲苯浴的温度为65摄氏度，放入甲苯浴的时间为10分钟。
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